Umatilla County, Oregon Demographics 2026

Population Overview

Umatilla County is located in Oregon with a total population of 80,087. It is the 14th most populous county out of 36 in Oregon.

Age Demographics

The median age in Umatilla County is 36.7 years. This is 8% lower than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Umatilla County is $68,958. This is 14% lower than the state median of $80,426. Compared to the national median of $78,538, household income here is 12% lower. The poverty rate stands at 12.6%. This is 6% higher than the state poverty rate of 11.9%. The unemployment rate is 5.3%. The median home value is $256,100. Housing costs are 44% lower than the state median of $454,200. The home-value-to-income ratio is 3.7x. 67.1% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 63.4%.

Race & Ethnicity

The largest racial or ethnic group in Umatilla County is White (non-Hispanic), making up 62.0% of the population. Hispanic or Latino residents account for 28.9%. The Black or African American population (0.7%) is well below the state average of 1.8%. The Hispanic or Latino population is significantly higher than the state average (28.9% vs 14.3%). The Asian population (0.6%) is well below the state average of 4.4%.

Education

18.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% lower than the state rate of 36.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 84.4%.